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By Olga Ioannidou, Katy Finch, Sibel Erduran
Published 12 Feb 2022 -
Constructing validity arguments for test combinations
By Saskia Wools, Theo Eggen, Anton Béguin
Published 24 Nov 2015 -
By Christopher Wheadon, Anton Béguin
Published 3 Aug 2010 -
The effect of sample size on item parameter estimation for the partial credit model
By Qingping He, Christopher Wheadon
Published 11 Dec 2008